Beipiao Formation

The Beipiao Formation contains coal measures dated to the Early Jurassic period. Its mainly located in Xinglong County, Hebei Province

Fossil content

 * Cockroaches
 * Euryblattula beipiaoensis, E. chaoyangensis
 * Rhipidoblattina longa, R. mayingziensis
 * Taublatta yangshugouensis